<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>常见数据类型装转换</title>
		<script type="text/javascript">
			let age = "30";
			console.log(typeof(age));
			console.log(typeof(parseInt(age)));
			
			let num = "33.33";
			console.log(typeof(num));
			console.log(typeof(parseInt(num)));
		</script>
	</head>
	<body>
	</body>
</html>